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Diffstat (limited to 'lib/e2mmap.rb')
| -rw-r--r-- | lib/e2mmap.rb | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/lib/e2mmap.rb b/lib/e2mmap.rb deleted file mode 100644 index 1c1d7148ff..0000000000 --- a/lib/e2mmap.rb +++ /dev/null @@ -1,177 +0,0 @@ -# frozen_string_literal: true -# -#-- -# e2mmap.rb - for Ruby 1.1 -# $Release Version: 2.0$ -# $Revision: 1.10 $ -# by Keiju ISHITSUKA -# -#++ -# -# Helper module for easily defining exceptions with predefined messages. -# -# == Usage -# -# 1. -# class Foo -# extend Exception2MessageMapper -# def_e2message ExistingExceptionClass, "message..." -# def_exception :NewExceptionClass, "message..."[, superclass] -# ... -# end -# -# 2. -# module Error -# extend Exception2MessageMapper -# def_e2message ExistingExceptionClass, "message..." -# def_exception :NewExceptionClass, "message..."[, superclass] -# ... -# end -# class Foo -# include Error -# ... -# end -# -# foo = Foo.new -# foo.Fail .... -# -# 3. -# module Error -# extend Exception2MessageMapper -# def_e2message ExistingExceptionClass, "message..." -# def_exception :NewExceptionClass, "message..."[, superclass] -# ... -# end -# class Foo -# extend Exception2MessageMapper -# include Error -# ... -# end -# -# Foo.Fail NewExceptionClass, arg... -# Foo.Fail ExistingExceptionClass, arg... -# -# -module Exception2MessageMapper - - E2MM = Exception2MessageMapper # :nodoc: - - def E2MM.extend_object(cl) - super - cl.bind(self) unless cl < E2MM - end - - def bind(cl) - self.module_eval "#{<<-"begin;"}\n#{<<-"end;"}", __FILE__, __LINE__+1 - begin; - def Raise(err = nil, *rest) - Exception2MessageMapper.Raise(self.class, err, *rest) - end - alias Fail Raise - - class << self - undef included - end - def self.included(mod) - mod.extend Exception2MessageMapper - end - end; - end - - # Fail(err, *rest) - # err: exception - # rest: message arguments - # - def Raise(err = nil, *rest) - E2MM.Raise(self, err, *rest) - end - alias Fail Raise - alias fail Raise - - # def_e2message(c, m) - # c: exception - # m: message_form - # define exception c with message m. - # - def def_e2message(c, m) - E2MM.def_e2message(self, c, m) - end - - # def_exception(n, m, s) - # n: exception_name - # m: message_form - # s: superclass(default: StandardError) - # define exception named ``c'' with message m. - # - def def_exception(n, m, s = StandardError) - E2MM.def_exception(self, n, m, s) - end - - # - # Private definitions. - # - # {[class, exp] => message, ...} - @MessageMap = {} - - # E2MM.def_e2message(k, e, m) - # k: class to define exception under. - # e: exception - # m: message_form - # define exception c with message m. - # - def E2MM.def_e2message(k, c, m) - E2MM.instance_eval{@MessageMap[[k, c]] = m} - c - end - - # E2MM.def_exception(k, n, m, s) - # k: class to define exception under. - # n: exception_name - # m: message_form - # s: superclass(default: StandardError) - # define exception named ``c'' with message m. - # - def E2MM.def_exception(k, n, m, s = StandardError) - e = Class.new(s) - E2MM.instance_eval{@MessageMap[[k, e]] = m} - k.module_eval {remove_const(n)} if k.const_defined?(n, false) - k.const_set(n, e) - end - - # Fail(klass, err, *rest) - # klass: class to define exception under. - # err: exception - # rest: message arguments - # - def E2MM.Raise(klass = E2MM, err = nil, *rest) - if form = e2mm_message(klass, err) - b = $@.nil? ? caller(1) : $@ - b.shift if b[0] =~ /^#{Regexp.quote(__FILE__)}:/ - raise err, sprintf(form, *rest), b - else - E2MM.Fail E2MM, ErrNotRegisteredException, err.inspect - end - end - class << E2MM - alias Fail Raise - end - - def E2MM.e2mm_message(klass, exp) - for c in klass.ancestors - if mes = @MessageMap[[c,exp]] - m = klass.instance_eval('"' + mes + '"') - return m - end - end - nil - end - class << self - alias message e2mm_message - end - - E2MM.def_exception(E2MM, - :ErrNotRegisteredException, - "not registered exception(%s)") -end - - |